Science & Technology

Leading the Conversation about Sustainability

Under the Net Zero Initiative, EPA is pursuing these goals in an effort to improve the environment, save money, and help local communities become more sustainable.

All Ages Lead Model (AALM)

The All Ages Lead Model (AALM) predicts lead concentration in body tissues and organs of hypothetical individuals, based on a simulated lifetime of lead exposure.

UIC Permit: PAS2D041BBEA

Columbia Gas underground injection control permit

Pennsylvania Underground Injection Control (UIC) permits

Underground Injection Control permitted Class II facilities located in Pennsylvania

Nitrogen Dioxide (NO2) Primary Standards - Federal Register Notices from Current Review

Federal Register notices used to develop the current nitrogen dioxide (NO2) primary national ambient air quality standard.

SCID Acronyms and Abbreviations

This list provides definitions for the acronyms and abbreviations that are included in EPA's Sample Collection Information Documents (SCIDs), which are companions to EPA's Selected Analytical Methods for Environmental Remediation and Recovery

SAM Scope and Application

Read about the premise and intended purpose of EPA's Selected Analytical Methods for Environmental Remediation and Recovery (SAM), including its use and limitations.

Glossary

esam glossary

Use of SAM

Selected Analytical Methods.

SAM Biotoxin Methods

Provides access to summaries of the analytical methods selected by the SAM pathogens technical workgroup.

Regional and State Implementation of Greener Cleanups

List of regional policies on Greener Cleanups

National Wetland Condition Assessment Design Documents

Design documents for the National Wetland Condition Assessment

National Aquatic Resource Surveys

EPA reports information on the condition of our nation's waters using probabilistic surveys. The National Aquatic Resource Surveys assess the status of and changes in water quality of the nation's coastal waters, lakes, rivers and streams, and wetlands.

National Wetland Condition Assessment

The NWCA is a collaborative, statistical survey of the nation's wetlands. It is one of four national surveys that EPA and its partners conduct to assess the condition and health of the nation's water resources.

2022 National Lakes Assessment - Fish Tissue Study

As part of the 2022 National Lakes Assessment (NLA), the EPA conducted a study of contamination in fish from lakes to determine whether eating lake fish poses risks to human health.

FY 2026 U.S. Chemical Safety and Hazard Investigation Board Management Challenges

At a Glance, December 6, 2026. The OIG is required by statute to prepare an annual report summarizing what the OIG considers the “most serious management and performance challenges facing the agency.”

Introduction to ChemView

EPA's Existing Chemicals program addresses pollution prevention, risk assessment, and risk management for chemicals in commercial use under the authority of the Toxic Substances Control Act (TSCA) and the Pollution Prevention Act (PPA)

2010/2015 PFOA Stewardship Program - 2014 Annual Progress Reports

In 2006, EPA and the eight major companies in the industry launched the 2010/15 PFOA Stewardship Program, in which companies committed to reduce global facility emissions and product content of PFOA and related chemicals by 95 percent by 2010, and to work

PFOA Stewardship Program Baseline Year Summary Report

In 2006, EPA and the eight major companies in the industry launched the 2010/15 PFOA Stewardship Program, in which companies committed to reduce global facility emissions and product content of PFOA and related chemicals by 95 percent by 2010, and to work

Materials for August 2023 Webinar on Proposed Regulation of Carbon Tetrachloride under TSCA